Applications

APPLICAZIONI TAG

Fans for compressors Fans for ventilators Fans for earth moving machines Generator units Fans for radiators and engine coolers ATEX fans

ATEX AXIAL FANS

GROUP II, CATEGORY 2, “EX H“ SUITABLE FOR GASES AND DUST

300-1250 mm

Technical details

Range
Diameters from 300 mm to 1250 mm

Temperature class
T4, maximum surface temperature ≤ 135° C

Gas group
IIB - Atmospheres containing ethylene, or gases and vapors of equivalent hazard

Dust group
IIIC - Atmospheres containing conductive dust

Construction

Fan Highly-efficient axial impeller, tested in HW Ventilation AMCA 210-designed wind tunnel
Blades:

AISI 316 or AISI 304 stainless steel – welded
Aluminum – fixed or variable pitch angles
Anti-static polyamides (PA6) – fixed or variable pitch angles
antistatic PA (PAA)
antistatic, self-extinguishing PA (PAX)
antistatic, self-extinguishing, magnetically shielded PA (PAM)

Hubs:
AISI 316 or 304 stainless steel
Die cast aluminum alloy

Balancing according to ISO 1940 standard

Casing:
Painted S235JR carbon steel
AISI 316 stainless steel
AISI 304 stainless steel

Finishing:

Epoxy painting
Pickling and passivation
Hot-dipped galvanization

Motor:

Asynchronous three phase induction motors for potentially explosive atmospheres (manufactured according to 2014/34/EU, 2014/30/EU directives):

II 2G Ex d de IIB T5, T4, T3 Gb

II 2G Ex d de IIC T5, T4, T3 Gb

II 2D Ex tb IIIC T100°C, T125°C, T150°C Db IP6X

Applicable standards: EN 60079-0; EN 60079-1; EN 60079-7; EN 679-31; IEC60034-1,5,6.7,8,9,12,14; IEC 60072

Accessories

protection guards
inspection doors
brackets
silencers
flanges
ATEX junction boxes

Versions

Short casing: the motor is partially protected by the casing
Long casing: fan and motor are totally protected by the casing

Advantages

Large airflow with relatively low pressure drops
Tailored-made solutions to suit any project specifications
Wide range of ATEX accessories and customized components
Motors and electrical components from top-in-class suppliers
ATEX certificates and performance test reports are provided with each ventilator
Performance testing is carried out internally (AMCA 210 test chamber)
Short delivery times regardless of order quantities

Certifications

Our ATEX fans are designed, built and tested by HW Ventilation according to ATEX 2014/34/UE directive. All the procedures followed to construct the fans are listed in the HW Ventilation Technical File and filed with TÜV Rheinland Industrie Service GmbH notified body.